1. 用鼠标拖动输入的点做为控制顶点，生成一条B-样条曲线，显示控制顶点和多边形。用鼠标Pick曲线上任意一点，移动鼠标到新位置改变曲线形状。 2. 用鼠标输入一组数据点，插值生成一条B-样条曲线-1 with the mouse to drag the input points as control vertices to generate a B-spline curves, showing the control points and polygons. Pick the curve

B样条曲线（三种端点条件的插值B样条）的代码-B-spline

生成B样条 通过四个点插值生成B样条。按B键后绘制。-Creat a Bspline which crossing the four points you gived.

海量散乱数据重构的小程序，采用B样条插值和分层B样条算法，对B样条算法进行了封装，最后OPENGL显示重构的网格数据。可用于人脸海量数据重构及地形重构。需先载入数据。数据格式可参考代码内格式。-Massive small scattered data reconstruction procedures, the use of B-spline interpolation and hierarchical B-spline algorithm for B-spline algorithm pack